Home / 557,746.20-836,619.30-183,720.60

Finding the Fourth Proportional to 557,746.20, 836,619.30 and 183,720.60

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Solution

The fourth proportional to 557,746.20, 836,619.30 and 183,720.60 is: 275,580.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,746.20 : 836,619.30 = 183,720.60 : x
  2. Step 2: Convert to fraction form
    557,746.20/836,619.30 = 183,720.60/x
  3. Step 3: Cross multiply
    557,746.20x = 836,619.30 × 183,720.60
  4. Step 4: Simplify right side
    557,746.20x = 153,704,199,767.58
  5. Step 5: Solve for x
    x = 153,704,199,767.58/557,746.20
  6. Step 6: Final answer
    x = 275,580.90

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.